Makita 9557NB User manual

1

INSTRUCTION MANUAL

MANUEL D'INSTRUCTION

MANUAL DE INSTRUCCIONES

DOUBLE INSULATION

DOUBLE ISOLATION

DOBLE AISLAMIENTO

IMPORTANT: Read Before Using.

IMPORTANT: Lire avant usage.

IMPORTANTE: Leer antes de usar.

Angle Grinder

Meuleuse d'Angle

Esmeriladora Angular

9556NB

9557NB

9558NB

005801

2

ENGLISH (Original instructions)

SPECIFICATIONS

Model 9556NB 9557NB 9558NB

Wheel diameter 100 mm (4") 115 mm (4-1/2") 125 mm (5")

Max. wheel thickness 6.4 mm (1/4")

Rated speed (n) / No load speed (n

0

) 11,000 /min 11,000 /min 11,000 /min

Overall length 271 mm (10-5/8") 271 mm (10-5/8") 271 mm (10-5/8")

Net weight 1.9 kg (4.2 lbs) 2.0 kg (4.5 lbs) 2.1 kg (4.5 lbs)

Spindle thread M10 x 1.25 5/8" 5/8"

• Due to our continuing program of research and development, the specifications herein are subject to change without notice.

• Specifications may differ from country to country.

• Weight according to EPTA-Procedure 01/2003

GEA008-2

General Power Tool Safety

Warnings

WARNING Read all safety warnings and all

instructions. Failure to follow the warnings and

instructions may result in electric shock, fire and/or

serious injury.

Save all warnings and

instructions for future reference.

The term "power tool" in the warnings refers to your

mains-operated (corded) power tool or battery-operated

(cordless) power tool.

Work area safety

1. Keep work area clean and well lit. Cluttered or

dark areas invite accidents.

2. Do not operate power tools in explosive

atmospheres, such as in the presence of

flammable liquids, gases or dust. Power tools

create sparks which may ignite the dust or fumes.

3. Keep children and bystanders away while

operating a power tool. Distractions can cause

you to lose control.

Electrical safety

4. Power tool plugs must match the outlet. Never

modify the plug in any way. Do not use any

adapter plugs with earthed (grounded) power

tools. Unmodified plugs and matching outlets will

reduce risk of electric shock.

5. Avoid body contact with earthed or grounded

surfaces such as pipes, radiators, ranges and

refrigerators. There is an increased risk of

electric shock if your body is earthed or grounded.

6. Do not expose power tools to rain or wet

conditions. Water entering a power tool will

increase the risk of electric shock.

7. Do not abuse the cord. Never use the cord for

carrying, pulling or unplugging the power tool.

Keep cord away from heat, oil, sharp edges or

moving parts. Damaged or entangled cords

increase the risk of electric shock.

8. When operating a power tool outdoors, use an

extension cord suitable for outdoor use. Use of

a cord suitable for outdoor use reduces the risk of

electric shock.

9. If operating a power tool in a damp location is

unavoidable, use a ground fault circuit

interrupter (GFCI) protected supply. Use of an

GFCI reduces the risk of electric shock.

Personal safety

10.

Stay alert, watch what you are doing and use

common sense when operating a power tool. Do

not use a power tool while you are tired or under the

influence of drugs, alcohol or medication.

A moment

of inattention while operating power tools may result in

serious personal injury.

11. Use personal protective equipment. Always

wear eye protection. Protective equipment such

as dust mask, non-skid safety shoes, hard hat, or

hearing protection used for appropriate conditions

will reduce personal injuries.

12. Prevent unintentional starting. Ensure the

switch is in the off-position before connecting

to power source and/or battery pack, picking

up or carrying the tool. Carrying power tools with

your finger on the switch or energising power tools

that have the switch on invites accidents.

13. Remove any adjusting key or wrench before

turning the power tool on. A wrench or a key left

attached to a rotating part of the power tool may

result in personal injury.

14. Do not overreach. Keep proper footing and

balance at all times. This enables better control

of the power tool in unexpected situations.

15.

Dress properly. Do not wear loose clothing or

jewellery. Keep your hair, clothing, and gloves away

from moving parts.

Loose clothes, jewellery or long

hair can be caught in moving parts.

3

16.

If devices are provided for the connection of dust

extraction and collection facilities, ensure these are

connected and properly used.

Use of dust collection

can reduce dust-related hazards.

Power tool use and care

17. Do not force the power tool. Use the correct

power tool for your application. The correct

power tool will do the job better and safer at the

rate for which it was designed.

18. Do not use the power tool if the switch does

not turn it on and off. Any power tool that cannot

be controlled with the switch is dangerous and

must be repaired.

19.

Disconnect the plug from the power source and/or

the battery pack from the power tool before making

any adjustments, changing accessories, or storing

power tools.

Such preventive safety measures reduce

the risk of starting the power tool accidentally.

20. Store idle power tools out of the reach of

children and do not allow persons unfamiliar

with the power tool or these instructions to

operate the power tool. Power tools are

dangerous in the hands of untrained users.

21. Maintain power tools. Check for misalignment

or binding of moving parts, breakage of parts

and any other condition that may affect the

power tool’s operation. If damaged, have the

power tool repaired before use. Many accidents

are caused by poorly maintained power tools.

22. Keep cutting tools sharp and clean. Properly

maintained cutting tools with sharp cutting edges

are less likely to bind and are easier to control.

23. Use the power tool, accessories and tool bits

etc. in accordance with these instructions,

taking into account the working conditions

and the work to be performed. Use of the power

tool for operations different from those intended

could result in a hazardous situation.

Service

24. Have your power tool serviced by a qualified

repair person using only identical replacement

parts. This will ensure that the safety of the power

tool is maintained.

25. Follow instruction for lubricating and

changing accessories.

26. Keep handles dry, clean and free from oil and

grease.

USE PROPER EXTENSION CORD. Make sure your

extension cord is in good condition. When using an

extension cord, be sure to use one heavy enough to

carry the current your product will draw. An undersized

cord will cause a drop in line voltage resulting in loss of

power and overheating. Table 1 shows the correct size to

use depending on cord length and nameplate ampere

rating. If in doubt, use the next heavier gage. The smaller

the gage number, the heavier the cord.

Table 1: Minimum gage for cord

Ampere Rating

Volts

Total length of cord in feet

More Than Not More Than

120V 25 ft. 50 ft. 100 ft. 150 ft.

AWG

06

6

10

12

10

12

16

18

16

14

16 16 14

1416

16

12

14

12

Not Recommended

220V - 240V 50 ft. 100 ft. 200 ft. 300 ft.

000300

GEB033-9

GRINDER SAFETY WARNINGS

Safety Warnings Common for Grinding, Sanding,

Wire Brushing, or Abrasive Cutting-Off Operations:

1. This power tool is intended to function as a

grinder, sander, wire brush or cut-off tool.

Read all safety warnings, instructions,

illustrations and specifications provided with

this power tool. Failure to follow all instructions

listed below may result in electric shock, fire

and/or serious injury.

2.

Operations such as polishing are not recommended

to be performed with this power tool.

Operations for

which the power tool was not designed may create a

hazard and cause personal injury.

3. Do not use accessories which are not

specifically designed and recommended by

the tool manufacturer. Just because the

accessory can be attached to your power tool, it

does not assure safe operation.

4. The rated speed of the accessory must be at

least equal to the maximum speed marked on

4

the power tool. Accessories running faster than

their rated speed can break and fly apart.

5.

The outside diameter and the thickness of your

accessory must be within the capacity rating of

your power tool.

Incorrectly sized accessories cannot

be adequately guarded or controlled.

6.

Threaded mounting of accessories must match the

grinder spindle thread. For accessories mounted by

flanges, the arbour hole of the accessory must fit

the locating diameter of the flange.

Accessories that

do not match the mounting hardware of the power tool

will run out of balance, vibrate excessively and may

cause loss of control.

7.

Do not use a damaged accessory. Before each use

inspect the accessory such as abrasive wheels for

chips and cracks, backing pad for cracks, tear or

excess wear, wire brush for loose or cracked wires.

If power tool or accessory is dropped, inspect for

damage or install an undamaged accessory. After

inspecting and installing an accessory, position

yourself and bystanders away from the plane of the

rotating accessory and run the power tool at

maximum no-load speed for one minute.

Damaged

accessories will normally break apart during this test

time.

8.

Wear personal protective equipment. Depending on

application, use face shield, safety goggles or

safety glasses. As appropriate, wear dust mask,

hearing protectors, gloves and workshop apron

capable of stopping small abrasive or workpiece

fragments.

The eye protection must be capable of

stopping flying debris generated by various operations.

The dust mask or respirator must be capable of filtrating

particles generated by your operation. Prolonged

exposure to high intensity noise may cause hearing

loss.

9.

Keep bystanders a safe distance away from work

area. Anyone entering the work area must wear

personal protective equipment.

Fragments of

workpiece or of a broken accessory may fly away and

cause injury beyond immediate area of operation.

10.

Hold the power tool by insulated gripping surfaces

only, when performing an operation where the

cutting accessory may contact hidden wiring or its

own cord.

Cutting accessory contacting a "live" wire

may make exposed metal parts of the power tool "live"

and could give the operator an electric shock.

11. Position the cord clear of the spinning

accessory. If you lose control, the cord may be cut

or snagged and your hand or arm may be pulled

into the spinning accessory.

12. Never lay the power tool down until the

accessory has come to a complete stop. The

spinning accessory may grab the surface and pull

the power tool out of your control.

13. Do not run the power tool while carrying it at

your side. Accidental contact with the spinning

accessory could snag your clothing, pulling the

accessory into your body.

14. Regularly clean the power tool’s air vents. The

motor’s fan will draw the dust inside the housing

and excessive accumulation of powdered metal

may cause electrical hazards.

15. Do not operate the power tool near flammable

materials. Sparks could ignite these materials.

16. Do not use accessories that require liquid

coolants. Using water or other liquid coolants may

result in electrocution or shock.

Kickback and Related Warnings

Kickback is a sudden reaction to a pinched or snagged

rotating wheel, backing pad, brush or any other accessory.

Pinching or snagging causes rapid stalling of the rotating

accessory which in turn causes the uncontrolled power tool to

be forced in the direction opposite of the accessory’s rotation

at the point of the binding.

For example, if an abrasive wheel is snagged or pinched by the

workpiece, the edge of the wheel that is entering into the pinch

point can dig into the surface of the material causing the wheel

to climb out or kick out. The wheel may either jump toward or

away from the operator, depending on direction of the wheel’s

movement at the point of pinching. Abrasive wheels may also

break under these conditions.

Kickback is the result of power tool misuse and/or

incorrect operating procedures or conditions and can be

avoided by taking proper precautions as given below.

a) Maintain a firm grip on the power tool and

position your body and arm to allow you to

resist kickback forces. Always use auxiliary

handle, if provided, for maximum control over

kickback or torque reaction during start-up.

The operator can control torque reactions or

kickback forces, if proper precautions are taken.

b)

Never place your hand near the rotating accessory.

Accessory may kickback over your hand.

c) Do not position your body in the area where

power tool will move if kickback occurs.

Kickback will propel the tool in direction opposite to

the wheel’s movement at the point of snagging.

d) Use special care when working corners,

sharp edges etc. Avoid bouncing and snagging

the accessory. Corners, sharp edges or bouncing

have a tendency to snag the rotating accessory and

cause loss of control or kickback.

e) Do not attach a saw chain woodcarving

blade or toothed saw blade. Such blades create

frequent kickback and loss of control.

Safety Warnings Specific for Grinding and Abrasive

Cutting-Off Operations:

a) Use only wheel types that are recommended

for your power tool and the specific guard

5

designed for the selected wheel. Wheels for

which the power tool was not designed cannot be

adequately guarded and are unsafe.

b)

The grinding surface of centre depressed wheels

must be mounted below the plane of the guard lip.

An improperly mounted wheel that projects through the

plane of the guard lip cannot be adequately protected.

c)

The guard must be securely attached to the power

tool and positioned for maximum safety, so the least

amount of wheel is exposed towards the operator.

The guard helps to protect the operator from broken

wheel fragments, accidental contact with wheel and

sparks that could ignite clothing.

d) Wheels must be used only for recommended

applications. For example: do not grind with

the side of cut-off wheel. Abrasive cut-off wheels

are intended for peripheral grinding, side forces

applied to these wheels may cause them to shatter.

e)

Always use undamaged wheel flanges that are of

correct size and shape for your selected wheel.

Proper wheel flanges support the wheel thus reducing

the possibility of wheel breakage. Flanges for cut-off

wheels may be different from grinding wheel flanges.

f)

Do not use worn down wheels from larger power

tools.

Wheel intended for larger power tool is not suitable

for the higher speed of a smaller tool and may burst.

Additional Safety Warnings Specific for Abrasive

Cutting-Off Operations:

a) Do not “jam” the cut-off wheel or apply

excessive pressure. Do not attempt to make an

excessive depth of cut. Overstressing the wheel

increases the loading and susceptibility to twisting

or binding of the wheel in the cut and the possibility

of kickback or wheel breakage.

b) Do not position your body in line with and

behind the rotating wheel. When the wheel, at

the point of operation, is moving away from your

body, the possible kickback may propel the

spinning wheel and the power tool directly at you.

c) When wheel is binding or when interrupting a

cut for any reason, switch off the power tool

and hold the power tool motionless until the

wheel comes to a complete stop. Never attempt

to remove the cut-off wheel from the cut while

the wheel is in motion otherwise kickback may

occur. Investigate and take corrective action to

eliminate the cause of wheel binding.

d)

Do not restart the cutting operation in the

workpiece. Let the wheel reach full speed and

carefully reenter the cut.

The wheel may bind, walk up

or kickback if the power tool is restarted in the workpiece.

e) Support panels or any oversized workpiece

to minimize the risk of wheel pinching and

kickback. Large workpieces tend to sag under

their own weight. Supports must be placed under

the workpiece near the line of cut and near the

edge of the workpiece on both sides of the wheel.

f) Use extra caution when making a “pocket

cut” into existing walls or other blind areas.

The protruding wheel may cut gas or water pipes,

electrical wiring or objects that can cause kickback.

Safety Warnings Specific for Sanding Operations:

a) Do not use excessively oversized sanding

disc paper. Follow manufacturers

recommendations, when selecting sanding

paper. Larger sanding paper extending beyond the

sanding pad presents a laceration hazard and may

cause snagging, tearing of the disc or kickback.

Safety Warnings Specific for Wire Brushing Operations:

a) Be aware that wire bristles are thrown by the

brush even during ordinary operation. Do not

overstress the wires by applying excessive

load to the brush. The wire bristles can easily

penetrate light clothing and/or skin.

b) If the use of a guard is recommended for

wire brushing, do not allow any interference of

the wire wheel or brush with the guard. Wire

wheel or brush may expand in diameter due to work

load and centrifugal forces.

Additional safety warnings:

17.

When using depressed centre grinding wheels, be

sure to use only fiberglass-reinforced wheels.

18. NEVER USE Stone Cup type wheels with this

grinder. This grinder is not designed for these

types of wheels and the use of such a product may

result in serious personal injury.

19. Be careful not to damage the spindle, the

flange (especially the installing surface) or the

lock nut. Damage to these parts could result in

wheel breakage.

20. Make sure the wheel is not contacting the

workpiece before the switch is turned on.

21. Before using the tool on an actual workpiece,

let it run for a while. Watch for vibration or

wobbling that could indicate poor installation

or a poorly balanced wheel.

22. Use the specified surface of the wheel to

perform the grinding.

23. Do not leave the tool running. Operate the tool

only when hand-held.

24. Do not touch the workpiece immediately after

operation; it may be extremely hot and could

burn your skin.

25. Observe the instructions of the manufacturer

for correct mounting and use of wheels.

Handle and store wheels with care.

26. Do not use separate reducing bushings or

adaptors to adapt large hole abrasive wheels.

27. Use only flanges specified for this tool.

6

28. For tools intended to be fitted with threaded

hole wheel, ensure that the thread in the wheel

is long enough to accept the spindle length.

29.

Check that the workpiece is properly supported.

30. Pay attention that the wheel continues to

rotate after the tool is switched off.

31. If working place is extremely hot and humid,

or badly polluted by conductive dust, use a

short-circuit breaker (30 mA) to assure

operator safety.

32. Do not use the tool on any materials

containing asbestos.

33. When use cut-off wheel, always work with the

dust collecting wheel guard required by

domestic regulation.

34. Cutting discs must not be subjected to any

lateral pressure.

35. Do not use cloth work gloves during operation.

Fibers from cloth gloves may enter the tool, which

causes tool breakage.

SAVE THESE INSTRUCTIONS.

WARNING:

DO NOT let comfort or familiarity with product (gained

from repeated use) replace strict adherence to safety rules

for the subject product. MISUSE or failure to follow the

safety rules stated in this instruction manual may cause

serious personal injury.

USD292-3

Symbols

The followings show the symbols used for tool.

･ volts

･ amperes

･ hertz

･ alternating current

･ alternating or direct current

･ rated speed

･ no load speed

･ Class II Construction

･ revolutions or reciprocation per minute

FUNCTIONAL DESCRIPTION

CAUTION:

• Always be sure that the tool is switched off and

unplugged before adjusting or checking function on

the tool.

Shaft lock

1

005802

CAUTION:

• Never actuate the shaft lock when the spindle is

moving. The tool may be damaged.

Press the shaft lock to prevent spindle rotation when

installing or removing accessories.

Switch action

1

005803

CAUTION:

• Before plugging in the tool, always check to see

that the slide switch actuates properly and returns

to the "OFF" position when the rear of the slide

switch is depressed.

• Switch can be locked in "ON" position for ease of

operator comfort during extended use. Apply

caution when locking tool in "ON" position and

maintain firm grasp on tool.

To start the tool, slide the slide switch toward the "I (ON)"

position by pushing the rear of the slide switch. For

continuous operation, press the front of the slide switch

to lock it.

To stop the tool, press the rear of the slide switch, then

slide it toward the "O (OFF)" position.

1. Switch lever

1. Shaft lock

7

ASSEMBLY

CAUTION:

•

Always be sure that the tool is switched off and

unplugged before carrying out any work on the tool.

Installing side grip (handle)

005804

CAUTION:

• Always be sure that the side grip is installed

securely before operation.

Screw the side grip securely on the position of the tool as

shown in the figure.

Installing or removing wheel guard

1

2

3

005805

1

2

3

005807

CAUTION:

• When using a depressed center grinding

wheel/Multi-disc, flex wheel, wire wheel brush,

cut-off wheel or diamond wheel, the wheel guard

must be fitted on the tool so that the closed side of

the guard always points toward the operator.

Mount the wheel guard with the protrusion on the wheel

guard band aligned with the notch on the bearing box.

Then rotate the wheel guard around 180 degrees. Be

sure to tighten the screw securely.

To remove wheel guard, follow the installation procedure

in reverse.

Installing or removing depressed center

grinding wheel/Multi-disc

1

3

2

001070

WARNING:

• Always use supplied guard when depressed center

grinding wheel/Multi-disc is on tool. Wheel can

shatter during use and guard helps to reduce

chances of personal injury.

Mount the inner flange onto the spindle. Fit the

wheel/disc on the inner flange and screw the lock nut

onto the spindle.

To tighten the lock nut, press the shaft lock firmly so that

the spindle cannot revolve, then use the lock nut wrench

and securely tighten clockwise.

2

1

005917

To remove the wheel, follow the installation procedure in

reverse.

Installing or removing diamond wheel

(optional accessory)

CAUTION:

• Always install the wheel guard before installing the

diamond wheel.

• When mounting the wheel ensure that the arrow

(indicating the direction of rotation) on the wheel is

pointing in the same direction as the arrow for

rotation provided on the tool.

For model 9556NB, mount the inner flange onto the

spindle so that the side of the inner flange with the 20mm

diameter protrusion faces the diamond wheel. Place

the diamond wheel onto the inner flange making sure the

protrusion fits into the arbor of the wheel. Use the lock

nut to secure the wheel by placing it on the spindle so

that the flat side faces the wheel and screw the lock nut

1. Lock nut wrench

2. Shaft lock

1. Lock nut

2. Depressed

center grinding

wheel/Multi-disc

3. Inner flange

1. Wheel guard

2. Screw

3. Bearing box

1. Wheel guard

2. Screw

3. Bearing box

8

onto the spindle. To tighten the lock nut, press the shaft

lock firmly so that the spindle cannot revolve, then use

the lock nut wrench and securely tighten clockwise.

20mm

9556NB

4

1

2

3

011570

For models 9557NB and 9558NB, mount the inner flange

onto the spindle so that the side of the inner flange with

the 7/8" diameter protrusion faces the diamond wheel.

Place the diamond wheel onto the inner flange making

sure the protrusion fits into the arbor of the wheel. Use

the lock nut to secure the wheel by placing it on the

spindle so that the flat side faces the wheel and screw

the lock nut onto the spindle. To tighten the lock nut,

press the shaft lock firmly so that the spindle cannot

revolve, then use the lock nut wrench and securely

tighten clockwise.

7/8"

9557NB/9558NB

1

2

3

4

011572

Installing or removing flex wheel

(optional accessory)

1

2

3

4

015768

WARNING:

• Always use supplied guard when flex wheel is on

tool. Wheel can shatter during use and guard helps

to reduce chances of personal injury.

Follow instructions for depressed center grinding

wheel/Multi-disc but also use back up pad over wheel.

See order of assembly on accessories page in this

manual.

Installing or removing abrasive disc

(optional accessory)

1

3

2

005833

NOTE:

• Use sander accessories specified in this manual.

These must be purchased separately.

Mount the rubber pad onto the spindle. Fit the disc on the

rubber pad and screw the lock nut onto the spindle. To

tighten the lock nut, press the shaft lock firmly so that the

spindle cannot revolve, then use the lock nut wrench and

securely tighten clockwise.

To remove the disc, follow the installation procedure in

reverse.

OPERATION

WARNING:

• It should never be necessary to force the tool. The

weight of the tool applies adequate pressure.

Forcing and excessive pressure could cause

dangerous wheel breakage.

• ALWAYS replace wheel if tool is dropped while

grinding.

• NEVER bang or hit grinding disc or wheel onto

work.

• Avoid bouncing and snagging the wheel, especially

when working corners, sharp edges etc. This can

cause loss of control and kickback.

• NEVER use tool with wood cutting blades and other

sawblades. Such blades when used on a grinder

frequently kick and cause loss of control leading to

personal injury.

CAUTION:

• After operation, always switch off the tool and wait

until the wheel has come to a complete stop before

putting the tool down.

1. Lock nut

2. Flex wheel

3. Back up pad

4. Inner flange

1. Lock nut

2. Abrasive disc

3. Rubber pad

1. Lock nut

2. Diamond wheel

3. Inner flange

4. Spindle

1. Lock nut

2. Diamond wheel

3. Inner flange

4. Spindle

9

Grinding and sanding operation

15

AB

005831

ALWAYS hold the tool firmly with one hand on housing

and the other on the side handle. Turn the tool on and

then apply the wheel or disc to the workpiece.

In general, keep the edge of the wheel or disc at an angle

of about 15 degrees to the workpiece surface.

During the break-in period with a new wheel, do not work

the grinder in the B direction or it will cut into the

workpiece. Once the edge of the wheel has been

rounded off by use, the wheel may be worked in both A

and B direction.

Operation with diamond wheel

(optional accessory )

CAUTION:

• Do not "jam" the wheel or apply excessive pressure.

Do not attempt to make an excessive depth of cut.

Overstressing the wheel increases the loading and

susceptibility to twisting or binding of the wheel in

the cut and the possibility of kickback, wheel

breakage and overheating of the motor may occur.

• Do not start the cutting operation in the workpiece.

Let the wheel reach full speed and carefully enter

into the cut moving the tool forward over the

workpiece surface. The wheel may bind, walk up

or kickback if the power tool is started in the

workpiece.

• A diamond wheel shall be operated perpendicular

to the material being cut.

Operation with wire cup brush

(optional accessory)

1

005834

CAUTION:

• Check operation of brush by running tool with no

load, insuring that no one is in front of or in line with

brush.

• Do not use brush that is damaged, or which is out of

balance. Use of damaged brush could increase

potential for injury from contact with broken brush

wires.

Unplug tool and place it upside down allowing easy

access to spindle. Remove any accessories on spindle.

Thread wire cup brush onto spindle and tighten with

supplied wrench. When using brush, avoid applying too

much pressure which causes over bending of wires,

leading to premature breakage.

Operation with wire wheel brush

(optional accessory)

1

005835

CAUTION:

• Check operation of wire wheel brush by running

tool with no load, insuring that no one is in front of

or in line with the wire wheel brush.

• Do not use wire wheel brush that is damaged, or

which is out of balance. Use of damaged wire

wheel brush could increase potential for injury from

contact with broken wires.

• ALWAYS use guard with wire wheel brushes,

assuring diameter of wheel fits inside guard. Wheel

can shatter during use and guard helps to reduce

chances of personal injury.

Unplug tool and place it upside down allowing easy

access to spindle. Remove any accessories on spindle.

Thread wire wheel brush onto spindle and tighten with

the wrenches.

When using wire wheel brush, avoid applying too much

pressure which causes over bending of wires, leading to

premature breakage.

1. Wire cup brush

10

Operation with abrasive cut-off / diamond

wheel (optional accessory)

1

2

3

4

010855

The direction for mounting the lock nut and the inner

flange varies by wheel thickness.

Refer to the table below.

Abrasive cut-off wheel

Diamond wheel

Thickness: Less than 4 mm (5/32") Thickness: 4 mm (5/32") or more

16 mm (5/8")

20 mm (13/16")

22.23 mm (7/8")

Abrasive cut-off wheel

Diamond wheel

Thickness: Less than 4 mm (5/32") Thickness: 4 mm (5/32") or more

22.23 mm (7/8")

22.23 mm (7/8") 22.23 mm (7/8")

16 mm (5/8")

20 mm (13/16")

1

2

3

1

4

3

4.3.2.1.

100 mm (4")

115 mm (4 - 1/2") / 125 mm (5")

1

2

3

1

4

3

Lock nut Abrasive cut-off wheel Inner flange Diamond wheel

4.3.2.1. Lock nut Abrasive cut-off wheel Inner flange Diamond wheel

010848

1. Lock nut

2. Abrasive cut-off

wheel/diamond

wheel

3. Inner flange

4. Wheel guard for

abrasive cut-off

wheel/diamond

wheel

11

WARNING:

• When using an abrasive cut-off / diamond wheel,

be sure to use only the special wheel guard

designed for use with cut-off wheels.

• NEVER use cut-off wheel for side grinding.

• Do not "jam" the wheel or apply excessive pressure.

Do not attempt to make an excessive depth of cut.

Overstressing the wheel increases the loading and

susceptibility to twisting or binding of the wheel in

the cut and the possibility of kickback, wheel

breakage and overheating of the motor may occur.

• Do not start the cutting operation in the workpiece.

Let the wheel reach full speed and carefully enter

into the cut moving the tool forward over the

workpiece surface. The wheel may bind, walk up

or kickback if the power tool is started in the

workpiece.

• During cutting operations, never change the angle

of the wheel. Placing side pressure on the cut-off

wheel (as in grinding) will cause the wheel to crack

and break, causing serious personal injury.

• A diamond wheel shall be operated perpendicular

to the material being cut.

MAINTENANCE

CAUTION:

• Always be sure that the tool is switched off and

unplugged before attempting to perform inspection

or maintenance.

• Never use gasoline, benzine, thinner, alcohol or the

like. Discoloration, deformation or cracks may

result.

The tool and its air vents have to be kept clean. Regularly

clean the tool's air vents or whenever the vents start to

become obstructed.

1

2

005809

To maintain product SAFETY and RELIABILITY, repairs,

carbon brush inspection and replacement, any other

maintenance or adjustment should be performed by

Makita Authorized or Factory Service Centers, always

using Makita replacement parts.

OPTIONAL ACCESSORIES

CAUTION:

• These accessories or attachments are

recommended for use with your Makita tool

specified in this manual. The use of any other

accessories or attachments might present a risk of

injury to persons. Only use accessory or

attachment for its stated purpose.

• Your tool is supplied with a guard for use with any

recommended grinding wheel, multi-disc, flex

wheel and wire wheel brush. If a diamond wheel

and/or cut-off wheel are also available for use with

the tool, they should only be used with the

appropriate optional guard for cut-off wheels.

If you decide to use your Makita grinder with

approved accessories which you purchase from

your Makita distributor or factory service center, be

sure to obtain and use all necessary fasteners and

guards as recommended in this manual. Your

failure to do so could result in personal injury to you

and others.

If you need any assistance for more details regarding

these accessories, ask your local Makita Service Center.

1. Exhaust vent

2. Inhalation vent

12

2

3

5

22

11

12 13

4

14

5

33

5

6

7

8

9

10

1

125 mm (5") model115 mm (4-1/2") model

1

2

3

4

5

6

7

8

9

10

11

12

13

14

-

100 mm (4") model

Grip 36

Wheel guard

Inner flange 35 Inner flange 45 Inner flange 45

Depressed center grinding wheel / Multi-disc

Lock nut 10-35 Lock nut 5/8-45 Lock nut 5/8-45

Back up pad

Flex wheel

Rubber pad 76 Rubber pad 100 Rubber pad 115

Abrasive disc

Sanding lock nut 10-30 Sanding lock nut 5/8-48 Sanding lock nut 5/8-48

Wire wheel brush

Wire cup brush

Wheel guard (For cut-off wheel)

Abrasive cut-off wheel / Diamond wheel

Lock nut wrench 20 Lock nut wrench 28 Lock nut wrench 28

015719

NOTE:

• Some items in the list may be included in the tool

package as standard accessories. They may differ

from country to country.

13

MAKITA LIMITED ONE YEAR WARRANTY

Warranty Policy

Every Makita tool is thoroughly inspected and tested

before leaving the factory. It is warranted to be free of

defects from workmanship and materials for the period

of ONE YEAR from the date of original purchase.

Should any trouble develop during this one year period,

return the COMPLETE tool, freight prepaid, to one of

Makita’s Factory or Authorized Service Centers. If

inspection shows the trouble is caused by defective

workmanship or material, Makita will repair (or at our

option, replace) without charge.

This Warranty does not apply where:

IN NO EVENT SHALL MAKITA BE LIABLE FOR ANY

INDIRECT, INCIDENTAL OR CONSEQUENTIAL

DAMAGES FROM THE SALE OR USE OF THE

PRODUCT. THIS DISCLAIMER APPLIES BOTH

DURING AND AFTER THE TERM OF THIS

WARRANTY.

MAKITA DISCLAIMS LIABILITY FOR ANY IMPLIED

WARRANTIES, INCLUDING IMPLIED WARRANTIES

OF "MERCHANTABILITY" AND "FITNESS FOR A

SPECIFIC PURPOSE," AFTER THE ONE YEAR TERM

OF THIS WARRANTY.

This Warranty gives you specific legal rights, and you

may also have other rights which vary from state to

state. Some states do not allow the exclusion or

limitation of incidental or consequential damages, so

the above limitation or exclusion may not apply to you.

Some states do not allow limitation on how long an

implied warranty lasts, so the above limitation may not

apply to you.

repairs have been made or attempted by others:

repairs are required because of normal wear and

tear:

the tool has been abused, misused or improperly

maintained:

alterations have been made to the tool.

EN0006-1

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44

Some dust created by power sanding, sawing, grinding, drilling, and other

construction activities contains chemicals known to the State of California

to cause cancer, birth defects or other reproductive harm. Some examples

of these chemicals are:

• lead from lead-based paints,

• crystalline silica from bricks and cement and other masonry products, and

• arsenic and chromium from chemically-treated lumber.

Your risk from these exposures varies, depending o n how often you do this

type of work. To reduce your exposure to these chemicals: work in a well

ventilated area, and work with approved safety equipment, such as those

dust masks that are specially designed to filter out microscopic particles.

WARNING

< USA only >

ADVERTENCIA

Algunos polvos creados por el lijado, aserrado, esmerilado, taladrado y

otras actividades de la construcción contienen sustancias químicas

reconocidas por el Estado de California como causantes de cáncer, defectos

de nacimiento y otros peligros de reproducción. Algunos ejemplos de estos

productos químicos son:

• plomo de pinturas a base de plomo,

• sílice cristalino de ladrillos y cemento y otros productos de albañilería, y

• arsénico y cromo de maderas tratadas químicamente.

El riesgo al que se expone varía, dependiendo de la frecuencia con la que

realice este tipo de trabajo. Para reducir la exposición a estos productos

químicos: trabaje en un área bien ventilada y póngase el equipo de seguridad

indicado, tal como las máscaras contra polvo que están especialmente

diseñadas para filtrar partículas microscó

picas.

< Sólo en los Estados Unidos >

Makita Corporation

3-11-8, Sumiyoshi-cho,

Anjo, Aichi 446-8502 Japan

www.makita.com

884566D943 9557NB-1

Makita 9557NB User manual

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